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Class Information
Number: 399/56
Name: Electrophotography > Control of electrophotography process > Control of developing > Bias control > In response to potential of latent image
Description: Subject matter wherein the bias is controlled in response to the sensed potential of a latent image to be developed.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8478150 Image forming apparatus and method for controlling same Jul. 2, 2013
8417135 Methods to control appearance of gloss levels for printed text and images Apr. 9, 2013
8406645 Image forming apparatus and image forming method for adjusting developing bias Mar. 26, 2013
8107841 Image forming apparatus and control method therefor Jan. 31, 2012
8073347 Image forming apparatus Dec. 6, 2011
7991314 In situ electrophotographic printer toner charge measurement Aug. 2, 2011
7949270 Development method and image forming apparatus May. 24, 2011
7903990 Image forming apparatus having a controller that controls a potential Mar. 8, 2011
7773892 Image forming apparatus with variable photoconductor charging and variable developing bias voltage Aug. 10, 2010
7679780 Method of producing a color conversion table, image processing apparatus, method of image processing, image forming apparatus and recording media Mar. 16, 2010
7672604 Image forming apparatus and image forming method using electrostatic transport and hopping Mar. 2, 2010
7619791 Image forming method and image forming device Nov. 17, 2009
7548066 Potential measuring device and image forming apparatus using the same Jun. 16, 2009
7499660 Image forming apparatus and image forming method Mar. 3, 2009
7336910 Image forming apparatus with gamma conversion means Feb. 26, 2008
7158733 Image forming apparatus which includes an image bearing body surface potential detection feature Jan. 2, 2007
6941095 Image forming apparatus using image carrier cleanerless system Sep. 6, 2005
6925269 Developing apparatus Aug. 2, 2005
6901233 Image forming apparatus May. 31, 2005
6738586 Print control method of electrophotograph and image formation apparatus with potential sensor using the method May. 18, 2004
6721516 Image forming apparatus Apr. 13, 2004
6701116 Image forming apparatus Mar. 2, 2004
6647219 Electrophotographic recording process control method and apparatus Nov. 11, 2003
6538678 Image forming apparatus with development controller Mar. 25, 2003
6505014 Image forming apparatus and an image forming process unit Jan. 7, 2003
6498908 Electrophotographic measurement system Dec. 24, 2002
6330405 Image forming apparatus Dec. 11, 2001
5920747 Image forming apparatus for stabilizing the density of dot images Jul. 6, 1999
5767888 Process and arrangement for generating high-quality matrix print using electrophotographic printing equipment Jun. 16, 1998
5758225 Method and device for supplying a variable bias voltage to a developing roller May. 26, 1998
5701560 Image forming apparatus having a photosensitive body formed of a base material consisting of As.sub.2 Se.sub.3 or a-Si and a method Dec. 23, 1997
5600407 Image forming method and apparatus forming combined toner images Feb. 4, 1997
5576817 Dual zone development for liquid developers Nov. 19, 1996
5503106 Apparatus for collecting developer carrier in a electrophotographic machine Apr. 2, 1996
5504557 Electrophotographic-process control apparatus having improved output-image-density control function Apr. 2, 1996
5426486 Toner monitor having magnetic field control Jun. 20, 1995
5424809 Image forming method and apparatus for the same Jun. 13, 1995
5402210 Dynamic developer bias control for use in an electrostatographic printing machine Mar. 28, 1995
5061949 Image forming apparatus comprising means for setting a proper bias voltage of laser emitting means and method therefor Oct. 29, 1991
4748934 Developing apparatus Jun. 7, 1988
4682882 Image recording apparatus Jul. 28, 1987
4678317 Charge and bias control system for electrophotographic copier Jul. 7, 1987
4669859 Developing device Jun. 2, 1987
4603961 Development system Aug. 5, 1986
4600295 Image forming apparatus Jul. 15, 1986
RE31964 Automatic development electrode bias control system Aug. 6, 1985
RE31707 Method and apparatus for electrically biasing developing electrode of electrophotographic device Oct. 16, 1984
4466732 Development system having a bounded electrical bias Aug. 21, 1984
RE31371 Developing system Sep. 6, 1983
4326795 Image forming process and apparatus therefor Apr. 27, 1982

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